Patents Assigned to Montell North America Inc.
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Patent number: 6677039Abstract: Crystalline olefin polymers in the form of granules or nonextruded particles having regular geometric form, containing one or more of the following stabilizers: a) from 0.01 to 0.5% by weight of one or more organic phosphites or phosphonites or mixtures thereof; or b) from 0.005 to 0.5% by weight of one or more HALS (Hindered Amine Light Stabilizer); or c) mixtures of (a) and (b); and optionally one or more phenolic antioxidants at a concentration not higher than 0.02% by weight. The fibers obtained from said polyolefins have high thermoweldability and good resistance to yellowing and aging.Type: GrantFiled: January 17, 1995Date of Patent: January 13, 2004Assignee: Montell North America Inc.Inventors: Millo Branchesi, Luciano Clementini, Leonardo Spagnoli
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Patent number: 6610785Abstract: Disclosed are thermoplastic elastomeric compositions include: A) from 10 to 80% by weight of one or more crystalline polymer of propylene containing from 0.05 to 15% in moles of ethylenic unsaturation, or a mixture of the above polymer with a saturated thermoplastic olefin polymer in quantities lower than or equal to 80% by weight; B) from 20 to 90% by weight of an unsaturated elastomeric olefin polymer; the compositions having been dynamically cross-linked with a cross-linking agent which includes a free radical generator.Type: GrantFiled: May 9, 1995Date of Patent: August 26, 2003Assignee: Montell North America Inc.Inventors: Giuliano Cecchin, Enea Garagnani
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Patent number: 6475617Abstract: Crystalline olefin polymers in the form of granules or nonextruded particles having regular geometric form, containing one of more of the following stabilizers: a) from 0.01 to 0.5% by weight of one or more organic phosphites or phosphonites or mixtures thereof; or b) from 0.005 to 0.5% by weight of one or more HALS (Hindered Amine Light Stabilizer), or c) mixtures of (a) and (b), and optionally one or more phenolic antioxidants at a concentration not higher than 0.2% by weight. The fibers obtained from said polyolefins have high thermoweldability and good resistance to yellowing and aging.Type: GrantFiled: June 1, 1995Date of Patent: November 5, 2002Assignee: Montell North America Inc.Inventors: Millo Branchesi, Luciano Clementini, Leonardo Spagnoli
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Patent number: 6265455Abstract: A foamed ionomer polymer comprising metal ions pertaining to the IA, IIA, or IIB Group of the Periodic Table, and a crystalline or semicrystalline graft copolymer where the backbone polymer chain of the graft copolymer is a polymer of an olefin selected from ethylene and C3-C10 &agr;-olefins, and the grafted chains comprise monomers containing at least one functional group selected from carboxylic groups and their derivatives.Type: GrantFiled: October 4, 1999Date of Patent: July 24, 2001Assignee: Montell North America Inc.Inventor: Vittorio Braga
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Patent number: 6263355Abstract: A method for controlling a chemical reactor such as a gas-phase reactor using a non-linear predictive control includes steps for generating a plurality of signals representing a current state of the chemical reactor and reflecting a respective constituent of reactants in the chemical reactor, calculating a future state of the chemical reactor responsive to said plurality of signals and referenced to mass hold-up of the reactants in the chemical reactor, and controlling at least one parameter related to the chemical reactor so as to control the future state of the chemical reactor. Spurious control events due to noise in sensor or controller output signals are preferably minimized by filtering these signals using a N-sign filter subroutine.Type: GrantFiled: June 7, 2000Date of Patent: July 17, 2001Assignee: Montell North America, Inc.Inventors: Douglas G. Harrell, Dennis C. Williams
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Patent number: 6218032Abstract: Embossed sheets having improved grain retention can be made from a polyolefin composition containing a propylene polymer material, a partially crosslinked thermoplastic olefin elastomer composition, and optionally, crystalline polyethylene. Large parts such as automobile door and instrument panels can be formed from these sheets.Type: GrantFiled: August 17, 2000Date of Patent: April 17, 2001Assignee: Montell North America Inc.Inventor: Dominic A. Berta
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Patent number: 6218023Abstract: A co-extruded polyolefin laminate having a hard, high modulus top layer includes at least one layer of a graft copolymer made from a propylene polymer material onto which is graft polymerized acrylic and/or styrenic monomers and at least one other layer made from a propylene homopolymer, a random propylene copolymer, a random propylene terpolymer, an olefin polymer composition, a thermoplastic olefin, a heterophasic olefin composition, or combinations of two or more of these polymers or polymer compositions, optionally blended with a high melt strength propylene polymer material. Composite materials including at least one layer of the co-extruded laminate and, for example, a low density polyolefin foam layer, can be used to make large structural parts by conventional means such as thermoforming.Type: GrantFiled: April 21, 1997Date of Patent: April 17, 2001Assignee: Montell North America, Inc.Inventors: Anthony J. DeNicola, Jr., Leonardo Formaro, Bakhtiar Alam Shah
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Patent number: 6180720Abstract: Thermoplastic and elastomeric polyolefin mixture including from 3 to 25% by weight of crystalline or partially crystalline isotactic poly(1-butene), and from 75 to 97% by weight of a heterophasic polyolefin composition; the latter containing a crystalline propylene polymer and an elastomeric copolymer of ethylene with propylene and/or an &agr;-olefin.Type: GrantFiled: January 28, 1999Date of Patent: January 30, 2001Assignee: Montell North America Inc.Inventors: Gianni Collina, Anteo Pelliconi
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Olefin polymer composition having low smoke generation and fiber, film and fabric prepared therefrom
Patent number: 6172153Abstract: A polymer composition and fiber, film and fabric prepared therefrom. The composition contains (i) an acid neutralizing agent other than a metallic salt of a saturated or unsaturated fatty acid, (ii) a processing aid comprising a metallic salt of a saturated or unsaturated fatty acid, the metallic salt of a saturated or unsaturated being present in a maximum amount of 200 ppm, a stabilizer system containing (a) a phosphite selected from the group consisting of 2,2′,2″-nitrilo[triethyl-tris(3,3′,5,5′-tetra-tert.butyl-1, 1-biphenyl-2,2′-diyl)phosphite] and tris(2,4-di-tert-butylphenyl) phosphite; and (b) a N,N-dialkylhydroxylamine. Also disclosed is a method for preparing a polyolefin fiber, film or fabric which includes (A) incorporating the above additives into an olefin polymer, thereby producing a stabilized polyolefin polymer; and (B) extruding the stabilized olefin polymer through a die, thereby producing a olefin polymer fiber or film.Type: GrantFiled: June 12, 1998Date of Patent: January 9, 2001Assignee: Montell North America Inc.Inventor: Michael E. Starsinic -
Patent number: 6165930Abstract: Organosilane compounds having the structural formula ##STR1## wherein R is a linear or branched C.sub.1-4 alkyl, 4-methylpiperidyl, C.sub.6-12 aryl or C.sub.5-7 cycloalkyl; R.sup.1 is hydrogen, methyl or ethyl, R.sup.2 is methyl or ethyl and; n is 4 to 7.These organosilane compounds are useful as electron donors in Ziegler-Natta type catalyst systems.Type: GrantFiled: August 24, 1992Date of Patent: December 26, 2000Assignee: Montell North America Inc.Inventor: Constantine A. Stewart
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Patent number: 6166132Abstract: Directly paintable polymer compositions contain (1) a thermoplastic olefin, (2) a maleic anhydride-grafted propylene homopolymer or random copolymer, (3) a maleic anhydride-grafted olefin polymer material, (4) a functionalized polymer that reacts with the maleic anhydride groups of the grafted polymers, and, optionally, (5) a maleic anhydride-grafted ethylene polymer. The amount of (2)+(3) or (2)+(3)+(5) is at least 16 parts but less than 27 parts per hundred parts of the thermoplastic olefin.Type: GrantFiled: July 2, 1999Date of Patent: December 26, 2000Assignee: Montell North America Inc.Inventor: Dominic A. Berta
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Patent number: 6165302Abstract: Process for repairing plastic coatings of metal pipes, that allows the repairs to be done in a very short time, by applying, in specific operating phases, a polyolefin adhesive in powder form and polyolefin tapes, and then applying heat using an inert gas-shielded flame.Type: GrantFiled: July 31, 1998Date of Patent: December 26, 2000Assignee: Montell North America Inc.Inventors: Roberto Marzola, Gian Luigi Rigosi
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Patent number: 6162872Abstract: Embossed sheets having improved grain retention can be made from a polyolefin composition containing a propylene polymer material, a partially crosslinked thermoplastic olefin elastomer composition, and optionally, crystalline polyethylene. Large parts such as automobile door and instrument panels can be formed from these sheets.Type: GrantFiled: January 22, 1999Date of Patent: December 19, 2000Assignee: Montell North America Inc.Inventor: Dominic A. Berta
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Patent number: 6150466Abstract: A dynamically crosslinked thermoplastic elastomer composition contains (1) a thermoplastic olefin, (2) an elastomeric copolymer of ethylene and a 3-8 C alpha-olefin, optionally containing a diene, (3) a halide of tin, zinc, or calcium, and (4) an organic peroxide curing agent selected from (a) an aromatic peroxide and (b) a combination of an aromatic and an aliphatic peroxide. Injection molded and extruded articles made from the composition do not exhibit blooming.Type: GrantFiled: March 4, 1998Date of Patent: November 21, 2000Assignee: Montell North America Inc.Inventor: Emmanuel A. Awojulu
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Patent number: 6140425Abstract: A graft copolymer containing anhydride groups is made by (1) making a graft copolymer comprising a backbone of a propylene polymer material having graft polymerized thereto polymerized monomers selected from the group consisting of (a) at least one acrylic acid substituted with a 1-3 C alkyl group and (b) a mixture of at least one of these substituted acrylic acids and a vinyl compound capable of copolymerizing therewith, wherein the total amount of polymerized monomers is about 20 parts to about 240 parts per hundred parts of the propylene polymer material and the amount of the substituted acrylic acid is 60 mole % or more of the polymerized monomers, and (2) heating the graft copolymer to a temperature of about 170.degree. C. to about 300.degree. C. to dehydrate the acid groups in the graft copolymer to form anhydride groups.Type: GrantFiled: August 25, 1997Date of Patent: October 31, 2000Assignee: Montell North America Inc.Inventors: Anthony J. DeNicola, Jr., Abuzar Syed
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Patent number: 6130180Abstract: An aminosilane of the formula: ##STR1## where R.sub.1 is a linear or branched C.sub.1-22 alkyl or C.sub.3-22 cycloalkyl, which may be substituted with at least one halogen atom; R.sub.2 is a bis(linear or branched C.sub.1-22 alkyl or C.sub.3-22 cycloalkyl)amino, a substituted piperidinyl, a substituted pyrrolidinyl, decahydroquinolinyl, 1,2,3,4-tetrahydroquinolinyl or 1,2,3,4-tetrahydroisoquinolinyl, with the substituent selected from the group consisting of C.sub.1-8 alkyl, pheny. C.sub.1-8 linear or branched alkylsubstituted phenyl and trimethylsilyl, with the proviso that when the substituent is C.sub.1-8 alkyl, there must be at least two such substituent groups present and R.sub.1 must contain halogen; and R.sub.3 is a linear or branched C.sub.1-8 alkyl or C.sub.3-8 cycloalkyl.Type: GrantFiled: December 23, 1997Date of Patent: October 10, 2000Assignee: Montell North America Inc.Inventors: Constantine A. Stewart, Eric J. Evain
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Patent number: 6122557Abstract: A method for controlling a chemical reactor such as a gas-phase reactor using a non-linear predictive control includes steps for generating a plurality of signals representing a current state of the chemical reactor and reflecting a respective constituent of reactants in the chemical reactor, calculating a future state of the chemical reactor responsive to said plurality of signals and referenced to mass hold-up of the reactants in the chemical reactor, and controlling at least one parameter related to the chemical reactor so as to control the future state of the chemical reactor. Spurious control events due to noise in sensor or controller output signals are preferably minimized by filtering these signals using a N-sign filter subroutine.Type: GrantFiled: December 23, 1997Date of Patent: September 19, 2000Assignee: Montell North America Inc.Inventors: Douglas G. Harrell, Dennis C. Williams
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Patent number: 6060533Abstract: A foam article is made by (1) irradiating a propylene polymer material selected from the group consisting of (a) a terpolymer of propylene, ethylene, and butene-1, (b) a polyolefin composition that includes (i) about 31% to about 39% of a copolymer of propylene and ethylene, and (ii) about 58% to about 72% of a terpolymer of propylene, ethylene, and butene-1, and (c) a polyolefin composition that includes (i) about 30% to about 65% of a copolymer of propylene and butene-1, and (ii) about 35% to about 70% of a copolymer of propylene and ethylene, and (2) extruding the irradiated propylene polymer material through a die in the presence of a physical expanding agent and a cell nucleating agent, whereby a structure is formed whose density is at least 10.times. less than the initial density of the propylene polymer material. The foam articles exhibit improved flexibility and low temperature toughness compared to conventional propylene polymer materials.Type: GrantFiled: January 9, 1998Date of Patent: May 9, 2000Assignee: Montell North America Inc.Inventor: Vincent P. Bavaro
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Patent number: 6054406Abstract: Disclosed is a polymetallic supported catalyst component comprising an activated anhydrous MgCl.sub.2 solid support which has been treated with at least one treatment of at least two halogen-containing transition metal compounds, wherein one is a halogen-containing titanium metal compound and one is a halogen-containing non-titanium transition metal compound, optionally, in the presence of an electron donor and the processes for producing the component. A catalyst for the polymerization of at least one alpha-olefin of the formula CH.sub.2 =CHR, where R is H or a C.sub.1-12 branched or straight chain alkyl or substituted or unsubstituted cycloalkyl, by reacting this supported catalyst component with an organometallic cocatalyst, optionally in the presence of an electron donor, and the polymerization of at least one alpha-olefin with the catalyst are also disclosed.Type: GrantFiled: April 27, 1993Date of Patent: April 25, 2000Assignee: Montell North America Inc.Inventor: Crystal A. Smith
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Patent number: 6048942Abstract: A thermoplastic olefin composition useful for making molded articles with high surface gloss and mar resistance includes (1) about 10 to about 90 parts of a propylene homopolymer, copolymer, or terpolymer, (2) about 90 to about 10 parts of either an olefin polymer composition that contains a low molecular weight ethylene copolymer rubber; an elastomeric copolymer of ethylene and a C.sub.3 -C.sub.8 .alpha.-olefin made with a metallocene catalyst, or a mixture of the two, and (3) about 0.1 to about 10 parts of a lubricant per hundred parts of (1) plus (2).Type: GrantFiled: August 15, 1997Date of Patent: April 11, 2000Assignee: Montell North America Inc.Inventors: Charles K. Buehler, Stephen M. Dwyer, Douglas Mosier, Matthew L. Paschick